Rationale for and Interpretation of Economy-Wide Materials Flow Analysis and Derived Indicators

摘要

Economy-wide material flow analysis (MFA) and derived indicators have been developed to monitor and assess the metabolic performance of economies,that is,with respect to the internal economic flows and the exchange of materials with the environment and with other economics.Indicatoprs such as direct material input (DMI0 and direct material consumption (DMC) measure material use related to either production or consumption.Domestic hidden flwos (HF) account for unused domestic extraction,and foreign HF represent the upstream primary resource requirements of the imports.DMI and domestic and foreign HF account for the total material requirement (TMR) of an economy.Substrating the exports and their HF provides the total material consumption (TMC).